Index: firmware/App/Modes/FPModes/ModePreGenPermeateDefeatured.c
===================================================================
diff -u -r5398b91c33e6fd39a74dbe132e50120965ef4107 -r830213bc6dcc1a684610caf78c79d55f2cb41e93
--- firmware/App/Modes/FPModes/ModePreGenPermeateDefeatured.c	(.../ModePreGenPermeateDefeatured.c)	(revision 5398b91c33e6fd39a74dbe132e50120965ef4107)
+++ firmware/App/Modes/FPModes/ModePreGenPermeateDefeatured.c	(.../ModePreGenPermeateDefeatured.c)	(revision 830213bc6dcc1a684610caf78c79d55f2cb41e93)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2024-2024 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2025-2026 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
 * @file    ModePreGenPermeateDefeatured.c
 *
-* @author  (last)      Michael Garthwaite
-* @date    (last)      28-Feb-2025
+* @author  (last)      “rkallala”
+* @date    (last)      09-Dec-2025
 *
 * @author  (original)  Michael Garthwaite
-* @date    (original)  28-Feb-2025
+* @date    (original)  08-Sep-2025
 *
 ***************************************************************************/
 
@@ -151,37 +151,37 @@
     {
         case FP_PRE_GENP_DEF_FLUSH:
             setValveState( M4_VALV, VALVE_STATE_OPEN );
+            setValveState( M12_VALV, VALVE_STATE_OPEN );
             setValveState( P6_VALV, VALVE_STATE_CLOSED );
             setValveState( P11_VALV, VALVE_STATE_CLOSED );
             setValveState( P33_VALV, VALVE_STATE_CLOSED );
             setValveState( P34_VALV, VALVE_STATE_CLOSED );
             setValveState( P37_VALV, VALVE_STATE_CLOSED );
             setValveState( P39_VALV, VALVE_STATE_CLOSED );
-            setValveState( P43_VALV, VALVE_STATE_CLOSED );
             preGenPermeateDefFlushTimer = getMSTimerCount();
             break;
 
         case FP_PRE_GENP_DEF_INLET_WATER_CHECK:
             setValveState( M4_VALV, VALVE_STATE_OPEN );
+            setValveState( M12_VALV, VALVE_STATE_CLOSED );
             setValveState( P6_VALV, VALVE_STATE_CLOSED );
             setValveState( P11_VALV, VALVE_STATE_CLOSED );
             setValveState( P33_VALV, VALVE_STATE_CLOSED );
             setValveState( P34_VALV, VALVE_STATE_CLOSED );
             setValveState( P37_VALV, VALVE_STATE_CLOSED );
             setValveState( P39_VALV, VALVE_STATE_CLOSED );
-            setValveState( P43_VALV, VALVE_STATE_CLOSED );
             preGenPermeateDefWaterCheckTimer = getMSTimerCount();
             break;
 
         case FP_PRE_GENP_DEF_PAUSED:
             setValveState( M4_VALV, VALVE_STATE_CLOSED );
+            setValveState( M12_VALV, VALVE_STATE_CLOSED );
             setValveState( P6_VALV, VALVE_STATE_CLOSED );
             setValveState( P11_VALV, VALVE_STATE_CLOSED );
             setValveState( P33_VALV, VALVE_STATE_CLOSED );
             setValveState( P34_VALV, VALVE_STATE_CLOSED );
             setValveState( P37_VALV, VALVE_STATE_CLOSED );
             setValveState( P39_VALV, VALVE_STATE_CLOSED );
-            setValveState( P43_VALV, VALVE_STATE_CLOSED );
             break;
 
         default:
@@ -285,9 +285,12 @@
 {
     BOOL result = FALSE;
 
-    result = TRUE;
-    pendingStartPreGenDefRequest = TRUE;
-    requestNewFPOperationMode( FP_MODE_DPGP );
+    if ( ( FP_MODE_STAN == getCurrentFPOperationMode() ) && ( FP_STANDBY_MODE_STATE_IDLE == getCurrentFPStandbyState() ) )
+    {
+        result = TRUE;
+        pendingStartPreGenDefRequest = TRUE;
+        requestNewFPOperationMode( FP_MODE_DPGP );
+    }
 
     return result;
 }